48ecbef1407651c759b1ad1c7aeb87db7a86364ef067ff9deda528c6ed73eb57

Analysis

max time kernel
148s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/09/2026, 03:18

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General

Target
jaffacakes118_48ecbef1407651c759b1ad1c7aeb87db7a86364ef067ff9deda528c6ed73eb57.dll
Size 484KB
Sample260924-dtm72ach26
SHA256 48ecbef1407651c759b1ad1c7aeb87db7a86364ef067ff9deda528c6ed73eb57
MD5 c81439e0b4e7221302a366a83570b0d0
SHA1 9dcc36369e3693fc0b5d59f6056f3b06a06cdb72
SHA512 b0b19c1321bb22cd98b6311075f137894e9126c33650b5d715988ab035d1c94ce7534b44ae1bd70b78f8032bb402bdc3e0a8e0ebc47d00963247793ac0a1f9e9
SSDEEP 12288:1nRL8IV25suSsbObaDkn2c9Tk+TObWvT:1n1KsufybaYnR9BTOb
TLSH
T137B49E26F2F04473C1772B3D8D5F92A9E829BE503D38A8467BE81D4C5F3929135292E7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{EA2FCCA9-F44F-43DD-9724-9339950D103C}	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jaffacakes118_48ecbef1407651c759b1ad1c7aeb87db7a86364ef067ff9deda528c6ed73eb57.Thunder5Helper\Clsid\ = "{EA2FCCA9-F44F-43DD-9724-9339950D103C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EA2FCCA9-F44F-43DD-9724-9339950D103C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jaffacakes118_48ecbef1407651c759b1ad1c7aeb87db7a86364ef067ff9deda528c6ed73eb57.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jaffacakes118_48ecbef1407651c759b1ad1c7aeb87db7a86364ef067ff9deda528c6ed73eb57.Thunder5Helper	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EA2FCCA9-F44F-43DD-9724-9339950D103C}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EA2FCCA9-F44F-43DD-9724-9339950D103C}\ProgID\ = "jaffacakes118_48ecbef1407651c759b1ad1c7aeb87db7a86364ef067ff9deda528c6ed73eb57.Thunder5Helper"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EA2FCCA9-F44F-43DD-9724-9339950D103C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EA2FCCA9-F44F-43DD-9724-9339950D103C}\ = "Thunder5ÏÂÔØ¸¨Öú"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EA2FCCA9-F44F-43DD-9724-9339950D103C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EA2FCCA9-F44F-43DD-9724-9339950D103C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jaffacakes118_48ecbef1407651c759b1ad1c7aeb87db7a86364ef067ff9deda528c6ed73eb57.Thunder5Helper\ = "Thunder5ÏÂÔØ¸¨Öú"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jaffacakes118_48ecbef1407651c759b1ad1c7aeb87db7a86364ef067ff9deda528c6ed73eb57.Thunder5Helper\Clsid	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 1900	4116	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_48ecbef1407651c759b1ad1c7aeb87db7a86364ef067ff9deda528c6ed73eb57.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_48ecbef1407651c759b1ad1c7aeb87db7a86364ef067ff9deda528c6ed73eb57.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1900

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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